[gnome-shell] css: Remove unused class run-dialog-button-box

[Florian Müllner <fmuellner src gnome org>]

commit 5de713b262f2345c9d8e33e69681923c586b7e63
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Sat Oct 19 11:19:57 2019 +0200

    css: Remove unused class run-dialog-button-box
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/886

 data/theme/gnome-shell-sass/widgets/_dialogs.scss | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/data/theme/gnome-shell-sass/widgets/_dialogs.scss 
b/data/theme/gnome-shell-sass/widgets/_dialogs.scss
index 9e10ea29a3..b04c6b6e05 100644
--- a/data/theme/gnome-shell-sass/widgets/_dialogs.scss
+++ b/data/theme/gnome-shell-sass/widgets/_dialogs.scss
@@ -14,7 +14,6 @@
     spacing: 6px;
   }
 
-  .run-dialog-button-box { padding-top: 1em; }
   .run-dialog-label {
     @include fontsize($base_font_size + 1.1);
     font-weight: normal;